Understanding the Abdomen Anatomy

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What is the area occupied by the abdomen called?

Abdominal cavity (correct)

Pelvic brim

Parietal peritoneum

Thorax

In humans, the abdomen stretches from the thorax at the thoracic diaphragm to the pelvis at the _______.

Cephalothorax

Lumbosacral joint (correct)

Inferior vena cava

Ventral wall

What encloses the abdominal cavity in vertebrates?

Pelvic brim

Cephalothorax

Abdominal wall (correct)

Paravertebral muscles

What is the boundary of the abdominal cavity?

Thoracic diaphragm Signup and view all the answers

What membrane lines both the abdominal and pelvic cavities?

Parietal peritoneum Signup and view all the answers

What is the term for the part of the body between the thorax and pelvis in humans and other vertebrates?

Abdominal cavity Signup and view all the answers

In arthropods, which part of the body follows the thorax or cephalothorax?

Posterior tagma Signup and view all the answers

What structure connects the abdominal and pelvic cavities in vertebrates at the back?

Lumbosacral joint Signup and view all the answers

Which membrane lines the organs within the abdominal and pelvic cavities?

Parietal peritoneum Signup and view all the answers

What is the edge of the pelvic inlet called, stretching from the lumbosacral joint to the pubic symphysis?

Pelvic brim Signup and view all the answers

What is the main function of the mesentery?

Storing fat and allowing blood vessels, lymphatics, and nerves to supply the intestines Signup and view all the answers

How was the mesocolon previously thought to be structured?

As a fragmented structure with separately terminating parts Signup and view all the answers

What is the shape and direction of the root of the mesentery?

Narrow and obliquely directed from the duodenojejunal flexure to the right sacroiliac joint Signup and view all the answers

Where does the root of the mesentery extend to?

From the duodenojejunal flexure to the ileocaecal junction Signup and view all the answers

Where is the small intestine located in relation to other structures in the abdominal cavity?

Centrally, behind the transverse colon and greater omentum Signup and view all the answers

Understanding the Abdomen Anatomy

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